Gilson HillWarren H Manning State ParkRiver PinesNorth BillericaKilrausch PlaygroundBillerica Mills Historic DistrictBillericaBillerica Town Common Historic DistrictRio VistaPotters PlaygroundCarlisle State ForestNutting LakeNutting LakeWang HeliportSouth BillericaRichardson PondChelmsford Center Historic DistrictChelmsford CenterEast BillericaAvco - Lowell HeliportMinnie Reid Conservation AreaPenham ParkRobbins HillSouth LowellMelvin Rogers ParkCarlislePattenvilleBaptist PondWestlandsSouth ChelmsfordBedford SpringsCamp OakChelmsfordBleacheryThe PinesAckerson PlaygroundWamesitBoardwalk HeliportTewksburyOaklands